Clutch.



G. W. MORRIS.

CLUTCH.

APPLICATION TILED DBO. 10, 1909.

Patented Nov. 14,1911.

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CLUTCH.

- APPLICATION FILED 1720.10, 1909,

Patented Nov. 14, 1911.

2 Bums-sum a.

UNITED STATES PATENT OFFICE.

GEORGE W. MDRRIS, 0F BACINE, WISCONSIN.

CLUTCH.

To all whom it may concern:

Be it known that I, GEORGE W. Monnrs, a subject of King Edward VII, anda resident of Racine, county of Racine, and State of Wisconsin, haveinvented certain new and useful Improvements in Clutches, of which I dodeclare the following to be a full, clear,

The invention consists in the features ofnovelty hereinafter described,illustrated in the accompanying drawings and particularly pointed out inthe claims at the end of this specification.

Figure 1 is a view in side elevation of a clutch embodying my invention.Fig. 2 is a view partly in vertical section through the female member ofthe clutch, the male clutch and shoes being shown in elevation Fig. 3 isa view in vertical section on the line 3-3 of Fig. 1. Fig. 4 is a viewin vertical cross section through the shaft and through the male memberof the clutch, the female member and other parts of the clutch beingshown in elevation.

A designates the shaft whereon the clutch is mounted. As shown, thefemalemember B of the clutch comprises a hub that is suitably keyed tothe shaft A. The male member O of the clutch is formed with an extendedhub c that is loosely mounted on.

the shaft, and this hub will be provided with suitable means (not shown)for transmitting its motion to the parts to be driven. A lining D ofphosphor bronze or other suitable anti-friction metal is interposedbetween the hub c of the male member and the shaft A and, as shown, aring D of brass or similar anti-friction material is interposed betweenthe inner end of the hub c of the.

male member and the adjacent end 6' of the female member.

The rim C of the male member is con-' nected with a hub 0 by means of achambered web G or if preferred, chambered spokes may be employed,instead of. the

chambered web. The chamber within the web Cis designed to receive asuitable lu- Specification of Letters Patent. Application filed December10, 1909. Serial No. 532,299.

.formed suitable threaded openings 0 to pel shoes E are suitablyattached by bolts Patented Nov. 14, 1911 bricant, that will be deliveredthrough suit able holes d formed in the anti-frictio'. sleeve D to thesurface of the shaft A. I the wall of the chambered web C will I:

mit lubricant to be delivered into the chan. ber of the web C it beinunderstood the these holes a will be c osed by suitab] threaded plugs.The holes d in the ant: friction sleeve or lining D will be of sun ablenumber to allow the oil or lubricatin material to find its way to theshaft A t lubricate it when in motion. But when tl machine is stationarythen the lubricant wi fall by gravitation into the lower part c theannular space of the chambered web and remain there Without leakage orwast until rotation is imparted to the clutch.

Over the periphery of the rim 0' of tl. male clutch member are set theshoes E wood or like suitable material. To thes screws, the straps E.Preferably, tl straps E are formed as metal bands haviri eyese at theirends to receive the pivot pil that connect the ends of the straps rspectively to the links F and G. Each the links F has its end that isfarthestfro; the shoe E, pivotally connected to a wri pin it projectingoutwardly from a disk I at the end of 'a short shaft I. Each of the;disks H is provided also with a second wri pin 71., to which ispivot-ally connected t1 outer section of the link G. The two so tions ofeach of the links G are united t gether by a right and left threadedcouplir sleeve G that engages corresponding threaded portions of thelink sections By this means the links G may be readi adjusted as tolength and lock nuts 9 upon the sections of the link G will securelyretain the link sections in position when a ljusted. Each of the shortshafts I is journaled within a bearing boss 5 of the female clutchmember B, and upon the polygonal end portion of each of the shafts I isfixed a crank arm K that carries at its endia wrist pin 70. On eachofthe wrist pins k is placed a sleeve M having an arm m that ispivotally connected by a pivot bolt m to the end sect-ion of thecorresponding toggi'le lever by which the crank K will be actuated.Asshown, each of the toggle levers of my improved clutch comprises ayoke-shaped section P through the upper ends p of whi 1h a pivot bolt mpasses, the free end of tljis bolt being furnished with a suitableretaining nut m The yoke member P of each toggle lever, as clearly seenin Fig. 1, is sufliciently large to enable this member to encircle andmove freely with respect to the wrist pin is and the sleeve M. The innerend of each of the memebers B is screw threaded to receive one end of aright and left threaded rod P forming part of the toggle lever, theinner end of this rod P fitting into a correspondingly threaded hole inthe member P of the toggle lever, and suitable jam nuts gi will beemployed to maintain the adjustment of the members of the toggle lever.The inner member P of each toggle lever is pivotally connected, as at rto a sleeve R that is slidably. mounted upon the hub 6 her, this slidingsleeve B being provided with the usual trunnion band R" that will beactuated in the usual manner by the arms of a forked lever R Byproviding a hinge joint between the outer end of the forked end of eachtoggle lever and corresponding crank arm K at a point beyond the crankarm, an exceedingly simple, easy and effective means is provided fortransmitting the movement of the toggle levers to the bell 'crank withmuch less strain upon the parts and with greater freedom of movement andgreater range of adjustment than. is possible where the to gle leversare connected by ball and socket oints to the parts shifted thereby.

From the foregoing description it will be seen that when it is desiredto transmit rotation from the shaft A to the male clutch member C, theoperator will move inwardly the sliding sleeve R, thereby causing thetoggle levers to move radially outward and? in doing so, to shift thecrank arms K, so as to cause the disks of the links F and.

clutch member 0 the invention, and that features of the invention may beemployed without its adoption as to entirety.

Having thus described my invention, what I claim as new and desire tosecure by Let ters Patent, is

1. A clutch of the character described comprising a male member providedwith a rim, a friction shoe for engagement with said rim, a femalemember and means carried by the female member for actuating said shoecomprising a short shaft passing through the female member, linkspivotally connecting said shoe to one end of said short shaft atdiametrically opposite sides of said shaft, a crank arm mounted upon theopposite end of said short shaft, said crank arm of the female clutchmem- H through the medium G to bring the shoes E into bearing with therim C of the male being provided with a part extending outward towardthe eriphery of the female clutch member and a toggle lever pivotallyconnected at its outer end to said part that projects outward from saidcrank arm and a sliding sleeve pivotally connected to the opposite endof said toggle lever.

2. A clutch of the character described comprising a male member providedwith a rim, friction shoes for engagement with said rim, a femalemember, and means carried by said female member for actuating said shoescomprising a short shaft passing through the female member and providedat one end with wrist pins, links connecting said wrist pins with saidfriction shoes on one side of the female member, a crank arm upon theopposite end of said short shaft, a pin projecting from said crank arm,a sleeve having an outwardly projecting arm mounted upon said pin, atoggle lever pivotally connected to said projecting arm and a slidingsleeve pivotally connected to the inner end of said toggle lever.

3. A clutch of the character described comprising a male member providedwith a rim, friction shoes for engagement with said rim, a femalemember, and means carried by said female member for actuating said shoescomprising a short shaft passing through the female member and connectedat one side thereof with said friction shoes, a crank arm mounted uponsaid short shaft at the opposite Side of said female member, a wrist pinprojecting from said crank arm, a sleeve enclrcling said wrist pin andprovided with an outward extension, a toggle lever having a yoke-shapedpart extending around said wrist pin and pivotally connected .to saidoutward extension and a sliding sleeve pivotally connected to the innerend of said toggle lever.

4. A clutch of the character described comprising a male member providedwith a rim, friction shoes for engagement with said rim, a femalemember, and means carried by said female member for actuating said shoescomprising a short shaft passing through the female member and providedat one end with wrist pins, links connecting said wrist pins with saidfriction shoes, a crank arm upon the opposite end of said short shaft, asleeve mounted upon a pin on said crank arm and having an outwardlyextending arm or projection, anadjustable toggle lever pivotallyconnected to said outwardly extending arm or projection and a slidingsleeve pivotally connected to the inner end of said toggle lever.

5. A clutch of the character described comprising a male member providedwith. a rim, friction shoes mounted to engage said rim at oppositepoints, a female member, and means carried by said female member foractuating said shoes comprising oppositely disposed short shafts passingthrough pivotally connected at their outer ends to said female memberand provided at one said sleeves, and a sliding sleei e to which 10 sidethereof with Wrist pins, links connectthe inner ends of said togglelevers are ing said Wrist pins with the friction shoes, pivoted.

crank arms mounted upon said short shafts GEORGE W. MORRIS. at theopposite side of the female member, Witnesses:

said crank arms having WIlStPlIlS, sleeves DAGMAR CONSTANCE CARLSEN,mounted upon said wrist pins, toggle levers HATTIE AUDRoMEY FAGERSTROM.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Iatents, Washington, D. G.

